What E57 actually means
The machine has flagged a fault in the motor circuit / its control electronics and has stopped rather than risk driving the drum.
On these Bosch machines the drum is driven by an inverter motor, and a dedicated control board feeds it. E57 is logged as a motor fault, but in practice the board that drives the motor is usually the part that has failed \u2014 commonly a blown component or a burnt track on it. Once the machine sees this, it halts the cycle, often mid-wash with water still in the drum.
What usually causes it
- Failed inverter/motor control board \u2014 by far the most common finding
- A burnt or cracked track on that board
- Excessive load on the motor \u2014 seized or dragging drum bearings, or a heavily overloaded drum
- A fault in the motor itself or its wiring (less often)
What you can safely check yourself
Work through these in order. Anything beyond this — panels off, testing parts, anything to do with the wiring — is an engineer's job, and not one to attempt with the machine plugged in.
- Turn the machine off at the wall for a minute, then switch back on and try a short cycle \u2014 occasionally the code was a one-off trip.
- Try a much smaller load; if the machine only fails on heavy loads, that points to strain on the motor.
- Turn the drum by hand with the machine off \u2014 if it feels stiff, rumbling or noisy, mention that when you book the repair.
When to call someone
This one usually needs an engineer once you have tried the checks above. We cover Nottinghamshire, Derbyshire and Leicestershire, and it's £66 including VAT for an engineer to come out and diagnose it — £84 in total if it's repaired on the visit with no parts needed. Any parts needed are quoted on site before we fit them — you decide. Every repair carries a 90-day workmanship guarantee.
Outside our area? The explanation above still stands — take it to a local engineer and tell them the code. Knowing it saves them time and you money.
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